Representative, United States House of Representatives, District 33, 2013-present

Former Democratic Whip, Texas State House of Representatives

Candidate, United States House of Representatives, Texas, District 33, 2024

Representative, Texas State House of Representatives, 2005-2013

Member, Armed Services Committee

Member, Commission on Security and Cooperation in Europe

Member, Committee on Energy and Commerce

Member, Subcommittee on Communications and Technology

Member, Subcommittee on Energy, Climate, and Grid Security

Member, Advisory Committee, Tarrant County Black Genealogical Society

Former Member, Armed Services Committee, United States House of Representatives

Former Member, Committee on Small Business, United States House of Representatives

Member, Congressional Army Aviation Caucus

Member, Congressional Arts Caucus

Member, Congressional Azerbaijan Caucus

Member, Congressional Black Caucus

Member, Congressional Career & Technical Education Caucus

Member, Congressional Caucus on Foster Youth

Member, Congressional Fire Services Caucus

Member, Congressional Joint Strike Fighter Caucus

Member, Congressional LGBT Equality Caucus

Member, Congressional Maritime Caucus

Member, Congressional Military Family Caucus

Member, Congressional Pro-Choice Caucus

Member, Congressional Small Business Caucus

Member, Congressional TRIO Caucus

Member, Congressional Taiwan Caucus

Member, Congressional Task Force on Poverty and Opportunity

Member, Congressional Taskforce on Childhood Obesity

Member, Congressional United Service Organization (USO)

Member, Congressional Urban Caucus

Former Chair, Democratic Caucus, Texas State House of Representatives

Member, Democratic Israel Working Group

Member, German American Caucus

Former Member, House Armed Services Subcommittee on Military Personnel

Former Member, House Armed Services Subcommittee on Tactical Air and Land Forces

Former Member, Intelligence, Emerging Threats and Capabilities Subcommittee, United States House of Representatives

Member, Next Gen 911

Former Member, Science, Space, and Technology Committee, United States House of Representatives

Former Member, Space Subcommittee, United States House of Representatives

Former Member, Subcommittee on Consumer Protection & Commerce, United States House of Representatives

Former Member, Subcommittee on Contracting and Infrastructure, United States House of Representatives

Former Ranking Member/Member, Subcommittee on Energy, United States House of Representatives

Former Member, Subcommittee on Innovation and Workforce Development, United States House of Representatives

Former Member, Subcommittee on Tactical Air and Land Forces, United States House of Representatives

Member, Texas Maritime Caucus

Member, United States Mexico Friendship Caucus

Former Employee, Polytechnic High School

Former Sports Writer, Source Media's Information Technology (IT) Network

Former Sports Writer, Star-Telegram

Realtor, The Woodmont Company, 2006-2012

Legislative Aide, Democratic Congressmember Martin Frost, 1998-2004

Member, Tarrant County Black Genealogical Society Advisory Committee, present

Member, Fort Worth Ambassadors

Member, Volunteer Center, Tarrant County